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Convert carat to centigram

Here you can quickly calculate how many centigram fit in one carat.
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  • 1 ct = 20 cg
  • 1 cg = 0.05 ct

Example: carat to centigram

  • 1 carat = 20 centigram

Carat to centigram conversion table

carat centigram
1 20
2 40
5 100
10 200
20 400
50 1000
100 2000

Carat to centigram formula

To convert carat to centigram, multiply by 20.

1 ct = 20 cg
Example: 1 carat = 20 centigram

Common mass conversion mistakes

  • The carat used for gemstones is a unit of mass: exactly 0.2 g, so a 5-carat diamond weighs 1 gram. The karat used for gold is something else entirely, a purity scale where 24k is pure gold and 18k is 75% gold. The two cannot be converted into each other.

Quick carat and centigram conversion quiz

Score: 0

4.5 centigram equals 0.225 carat.

Correct answer: 4.5 centigram = 0.225 carat.

227 centigram equals 11.4 carat.

Correct answer: 227 centigram = 11.4 carat.

83 carat equals 830 centigram.

Correct answer: 83 carat = 1 660 centigram.

10.7 centigram equals 0.535 carat.

Correct answer: 10.7 centigram = 0.535 carat.

128 centigram equals 12.8 carat.

Correct answer: 128 centigram = 6.4 carat.

More mass conversions